Apparatus and methods for controlling a welding process
US4943702A · kind A · utility
82Cited by
0References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 29, 1987 |
| Grant date | Jul 24, 1990 |
| Priority date | — |
| Expiry date | Oct 29, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/0956
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for illuminating a weld line wherein a beam of light is directed onto a weld electrode and is reflected off of the electrode, thereby illuminating an area of the weld joint. Also disclosed are an apparatus for detecting a weld line using light from a low power arc which does not form a molten pool and a method and apparatus for locating a weld line by analyzing light reflected from a weld pool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.